Update readme with basic info and howto

README.md

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-# ComplexPrototypeSystem
+# ComplexPrototypeSystem
+
+The project consist of 3 major components:
+
+All three project written in C# .NET Core 3.1 Framework.
+
+* **Service**: Designed to be a Windows Service application. The Sensor purpose is to obtain *average CPU Usage* and *temperature*.
+
+* **Server**: Web API with ASP.NET Core, gives access to the *Sensor Settings* and *Sensor Reports* while authenticated. Data stored in *SQLExpress* via Entity Framework.
+
+* **Client**: Blazor WebAssembly client.
+
+The **Service** and **Server** communicates via TCP protocol, to exchange the Sensor Reports and updating Sensor Settings such as polling interval.
+
+A registered user can change the polling interval settings from the **Client**.
+
+# Usage
+
+* Pull down the repo
+* Be sure **dotnet-ef** is installed, [info](https://learn.microsoft.com/en-us/ef/core/cli/dotnet)
+* Compile the solution
+* Run `dotnet ef database update` to initialize the database
+* Publish **Service** project and create a Windows Service, [info](https://learn.microsoft.com/en-us/dotnet/core/extensions/windows-service)
+* If necessary it is possible to adjust *server:ip* in *appsettings.json*
+* Also adjust the *ConnectionString* in *appsettings.json* if necessary